<template>
  <div class="app-container">
    <div class="el-toolbar">
      <div class="el-toolbar-body" style="justify-content: flex-start;">
        <a href="http://localhost:8202/admin/cmn/dict/exportData" target="_blank">
          <el-button type="text">
            <i class="fa fa-plus" /> 导出
          </el-button>
        </a>
        <el-button type="text" @click="importData">
          <i class="fa fa-plus" /> 导入
        </el-button>
      </div>
    </div>
    <el-table
      :data="list"
      style="width: 100%"
      row-key="id"
      border
      lazy
      :load="getChildrens"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column label="名称" width="230" align="left">
        <template slot-scope="scope">
          <span>{{ scope.row.name }}</span>
        </template>
      </el-table-column>

      <el-table-column label="编码" width="220">
        <template slot-scope="{row}">{{ row.dictCode }}</template>
      </el-table-column>
      <el-table-column label="值" width="230" align="left">
        <template slot-scope="scope">
          <span>{{ scope.row.value }}</span>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center">
        <template slot-scope="scope">
          <span>{{ scope.row.createTime }}</span>
        </template>
      </el-table-column>
    </el-table>

    <el-dialog title="导入" :visible.sync="dialogImportVisible" width="480px">
      <el-form label-position="right" label-width="170px">
        <el-form-item label="文件">
          <el-upload
            :multiple="false"
            :on-success="onUploadSuccess"
            :action="'http://localhost:8202/admin/cmn/dict/importData'"
            class="upload-demo"
          >
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">只能上传xls,文件且不超过500kb</div>
          </el-upload>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogImportVisible = false">取消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
//引入接口定义的js文件
import dictApi from "@/api/cmn/dict";

export default {
  //定义变量和初始值
  data() {
    return {
      list: [], //数据字典列表数组
      dialogImportVisible: false //设置是否显示弹出层
    };
  },
  created() {
    //在页面渲染之前执行
    //一般调用methods定义的方法得到数据
    this.getDictList(1);
  },
  methods: {
    //定义方法进行请求接口调用

    //数据字典列表
    getDictList(id) {
      dictApi
        .getDictList(id)
        .then(response => {
          //请求成功response是接口返回数据
          console.log(response);
          //返回集合赋值list
          this.list = response.data;
        })
        .catch(error => {
          //请求失败
          console.log(error);
        });
    },

    getChildrens(tree, treeNode, resolve) {
      dictApi.getDictList(tree.id).then(response => {
        resolve(response.data);
      });
    },

    //导入数据字典
    importData() {
      this.dialogImportVisible = true;
    },

    //上传成功
    onUploadSuccess(response, file) {
      this.$message.info("上传成功");
      this.dialogImportVisible = false;
      this.getDictList(1);
    }
  }
};
</script>